#include <stdio.h>
#include <conio.h>
#include <iostream>
using namespace std;
class CRectangle
{
	int x;
	int y;
public:
	void SetValues (int a, int b);
	int area ();
};
void CRectangle :: SetValues (int a, int b)
{
	x=a;
	y=b;
}
int CRectangle :: area ()
{
	return (x*y);
}
int main ()
{
	CRectangle rect;
	rect.SetValues(3,4);
	cout<<" area :"<<rect.area();
	getch();
	return 0;
}